Quote Originally Posted by francooz View Post
Not sure what you are getting at.
There are people who read this forum with a lot of experience (I'm not one of them) and they may recognise the bit of kit and be able to suggest some tests. Looking at the picture of the board it would seem to be a fairly easy job to replace the driver ICs which would be much cheaper than getting a new board but you'd need to do more tests before knowing whether that would be a solution.